22221941 has 32 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 17273088.

The previous prime is 22221911. The next prime is 22221949. The reversal of 22221941 is 14912222.

It is not a de Polignac number, because 22221941 - 2¹⁰ = 22220917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215696 + ... + 215798.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^22221941 is an apocalyptic number.

It is an amenable number.

22221941 is a deficient number, since it is larger than the sum of its proper divisors (6232459).

22221941 is a wasteful number, since it uses less digits than its factorization.

22221941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 164 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 22221941 is about 4714.0153796949. The cubic root of 22221941 is about 281.1430358022.

The spelling of 22221941 in words is "twenty-two million, two hundred twenty-one thousand, nine hundred forty-one".